Species (13.556)
- Massaria ariae Voglmayr & Jaklitsch 2011
- Massaria aucupariae Voglmayr & Jaklitsch 2011
- Massaria campestris Voglmayr & Jaklitsch 2011
- Massaria fagicola Allesch. 1887
- Massaria conspurcata (Wallr.) Sacc. 1883
- Massaria gigantispora Voglmayr & Jaklitsch 2011
- Massaria lantanae (G.H. Otth) Shoemaker & P.M. LeClair 1975
- Massaria macra (Vestergr.) Voglmayr & Jaklitsch 2011
- Massaria mediterranea Voglmayr & Jaklitsch 2011
- Massaria parva Voglmayr & Jaklitsch 2011
- Massaria pyri G.H. Otth 1863
- Massaria platanoidea Voglmayr & Jaklitsch 2011
- Massaria ulmi Fuckel 1867
- Massaria vomitoria Berk. & M.A. Curtis 1876
- Massaria zanthoxyli (Peck) Petr. 1925
- Massarina ambigua (Berl. & Bres.) O.E. Erikss. 1992
- Massarina albocarnis (Ellis & Everh.) M.E. Barr 1992
- Massarina balnei-ursi (Rehm) K. Holm & L. Holm 1986
- Massarina chamaecyparissi (Rehm) L. Holm & K. Holm 1981
- Massarina cisti Bose 1961
- Massarina eburnea (Tul. & C. Tul.) Sacc. 1883
- Massarina immersa Döbbeler 1978
- Massarina microspora Pass. 1891
- Massarina lacustris (Fuckel) Leuchtm. 1984
- Massarina polymorpha (Rehm) Sacc. 1883
- Massarina tetraploa Scheuer 1991
- Massariosphaeria grandispora (Sacc.) Leuchtm. 1984
- Massariopsis palmitis Kirschst. 1939
- Massariosphaeria multiseptata (Starbäck) Crivelli 1983
- Massariosphaeria vitalbae (Niessl) Ahn & Shearer 1998
- Massariovalsa megalospora (Auersw.) E. Müll. 1962
- Masseea quisquiliarum (Berk. & M.A. Curtis) Sacc. 1889
- Mastigosporium muticum (Sacc.) Gunnerb. 1971
- Mazzantia napelli (Ces.) Sacc. 1875
- Ophiocordyceps stylophora (Berk. & Broome) G.H. Sung, J.M. Sung, Hywel-Jones
- Ophiocordyceps sphecocephala (Klotzsch ex Berk.) G.H. Sung, J.M. Sung, Hywel-Jo
- Ophiognomonia intermedia (Rehm) Sogonov 2008
- Ophiognomonia padicola (Lib.) M. Monod 1983
- Ophiognomonia rosae (Fuckel) Petr. 1939
- Ophiosphaerella herpotricha (Fr.) J. Walker 1980
- Ophionectria cupularum Kirschst. 1907
- Ophiognomonia setacea (Pers. : Fr.) Sogonov 2008
- Ophiostoma novo-ulmi ssp. americana Brasier & S.A. Kirk 2001
- Ophiostoma epigloeum (Guerrero) de Hoog 1974
- Ophiostoma ulmi (Buisman) Nannfeldt 1934
- Ophiostoma verrucosum Gebhardt, R. Kirschner & Oberw. 2002
- Orbilia abutilonis E.K. Cash 1938
- Orbilia abietina Velen. 1947
- Orbilia acuum Velen. 1934
- Orbilia aristata Velen. 1947
- Orbilia aprilis Velen. 1947
- Orbilia aurantiorubra Boud. 1906
- Orbicula parietina (Schrad.) S. Hughes 1951
- Orbilia eucalypti (W. Phillips & Harkn.) Sacc. 1889
- Orbilia euonymi Velen. 1934
- Orbilia flavidorosella Rehm 1895
- Orbilia flavida Feltgen 1903
- Orbilia gambelii Baral & G. Marson 2005
- Orbilia luteorubella (Nyl.) P. Karst. 1870
- Orbilia leucostigma (Fr.) Fr. 1849
- Orbilia mammillata (S.M. Dixon) Baral & E. Weber
- Orbilia minutispora Velen. 1934
- Orbilia pilifera Baral & R. Galán 2011
- Orbilia pilosa (Dennis) Baral 1994
- Orbilia polyspora Grélet 1926
- Orbilia rectispora (Boud.) Baral 2006
- Orbilia rosea (J. Webster & Descals) Baral & E. Weber
- Orbilia rosella (Rehm) Sacc. 1889
- Orbilia roseofuscella Svr?ek 1987
- Orbilia sarraziniana Boud. 1885
- Orbilia septispora Baral 1989
- Orbilia zhongdianensis (J. Zhang & K.Q. Zhang) Baral, E. Weber & M. Bemma
- Otidea borealis M. Carbone, Olariaga, K. Hansen & Van Vooren 2015
- Otidea brunneoparva K. Hansen, M. Carbone, Olariaga & Van Vooren 2009
- Otidea alutacea (Pers.) Massee 1895
- Otidea caeruleopruinosa Harmaja 2009